USGS 12122000 SAMMAMISH LAKE NEAR REDMOND, WA

Location.--Latitude 47°34'36", Longitude
122°06'36", in SE 1/4 SW 1/4 Section 12, Township 24 North,
Range 5 East, in King County, Hydrologic Unit 17110012, on
west shore 5.8 miles above lake outlet, 6.5 miles south of Redmond, and
at river mile
unknown. Drainage
area is 99.6 mi2, includes 1.9 mi2 of Cedar
River drainage from upper Rock Creek, which normally is diverted into
Issaquah Creek. Datum of
gage is NGVD of 1929.